condition	mean	min	max
4 h after light	4.60747	4.5799199999999995	4.64494
8 h after light	4.562943333333333	4.50009	4.60924
12 h after light	4.4346266666666665	4.399830000000001	4.47719
4 h after dark	4.510083333333333	4.47573	4.54948
8 h after dark	4.478476666666666	4.4257800000000005	4.5258199999999995
12 h after dark	4.46689	4.38994	4.59354